Bank interest margin management based on a path-dependent Cobb–Douglas utility framework
學年 102
學期 1
出版（發表）日期 2013-09-01
作品名稱 Bank interest margin management based on a path-dependent Cobb–Douglas utility framework
作品名稱（其他語言）
著者 蔡政言; Tsai, Jeng-Yan
單位 淡江大學國際企業學系
出版者 Amsterdam: Elsevier BV * North-Holland
著錄名稱、卷期、頁數 Economic Modelling 35, pp.751-762
摘要 This paper examines the optimal bank interest margin, the spread between the loan rate and the deposit rate, when the bank's preferences include the like of higher equity returns and the dislike of higher equity risks based on a path-dependent Cobb–Douglas utility function. A path dependency implies that the bank equity return can be knocked out whenever a legally binding barrier is breached. A Cobb–Douglas utility indicates substitutability between equity returns and equity risks for the explicit treatment of risk aversion. We show that an increase in the barrier results in a reduced loan amount held by the bank at an increased interest margin when the probability of hitting the barrier before the expiration date is high. The bank interest margin is negatively related to the degree of the like (Equity returns) preference relative to the dislike (equity risks) preference. Preference as such makes the bank more prone to risk-taking, thereby adversely affecting the stability of the banking system.
關鍵字 Bank interest margin;Cobb–Douglas utility function;Path dependency;Substitution elasticity
語言 en
ISSN 0264-9993
期刊性質 國外
收錄於 SSCI
產學合作
通訊作者
審稿制度 是
國別 NLD
公開徵稿
出版型式 ,電子版,紙本
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